All securities markets share the goal of providing a cost effective and liquid market. Despite this common goal, it is observed that there are substantial differences in trading systems across markets. Furthermore, under pressure of increased competition, dramatic changes in the trading systems...

When brokers, analysts and fund managers buy or sell for their own account, they outperform retail investors over short windows up to a month. They earn particularly high abnormal returns when they trade simultaneously with other financial experts and when they trade before earnings...

While it is widely acknowledged that companies face increasing cybersecurity risk stemming from hackers stealing customer information, a relatively unknown cybersecurity risk is from information leakage and subsequent trading by digital insiders – hackers who target corporations to obtain...

Two recent articles, Martin (2017) and Chabi-Yo and Loudis (2019), derive a lower bound for the expected market risk premium that does not require parameter estimation and can be computed in real time. Based on evidence from 15 international markets, we cannot reject the hypothesis that these...

The effect of social media sentiments on stock market returns is well-established. However, the quality of content and expertise of content creators vary on social media platforms, and the stocks vary in characteristics. In this research, we examine the effect of sentiment expressed in free...

We examine the impact of government commitment to combating climate change on firm value in relation to a firm's climate risk exposure. We identify major recent regulatory events around climate change that are not fully predicted, including the surprise election of Donald Trump to President of...

Corporate directors earn abnormal returns when they buy their own company's stock as insiders. Directors also outperform when they buy stocks with an interlock connection, where a co-board member is an insider. Directors do not consistently earn abnormal returns when they sell these connected...

This paper shows that analyst recommendations aggregated at the country level predict international stock market returns. A trading strategy based on past country-level recommendations yields an abnormal return of around 0.9 percent per month. Aggregate analyst recommendations also predict...

In this paper we investigate if directors of Australian companies earn persistent profits on their reported trades, if these abnormal profits are significant enough to be mimicked by outsiders, and if these insider trades have an effect on returns of other investors. We find that insiders take...

We explore usefulness of a measure based on 10-K disclosures of firm-specific climate risk exposure. We find that our measure is negatively associated with firm value and positively associated with implied cost of capital and beta. Climate risk disclosure tone is significantly associated with...